The specific trigger for current tensions involves electric vehicles. The European Commission launched an anti-subsidy investigation into Chinese EV manufacturers, examining whether state support allows below-market pricing that threatens European producers. Preliminary findings suggest subsidies totaling billions of euros enabled Chinese brands to undercut European competitors by 20-30% on comparable models.

China's threatened retaliation follows a familiar pattern. When Australia called for COVID-19 origin investigations, Beijing imposed trade barriers on Australian wine, barley, and coal. When Lithuania strengthened ties with Taiwan, Chinese customs effectively blocked Lithuanian exports. The tactic weaponizes market access, targeting sectors politically sensitive in the victim nation.

European officials' combative language signals recognition that accommodation invites escalation. Previous European responses to Chinese trade coercion emphasized dialogue and de-escalation, often yielding ground to preserve broader economic relationships. The "tooth and nail" rhetoric suggests a different calculation: that backing down encourages further pressure.

The stance also reflects internal EU politics. Member states divide between those prioritizing economic ties with China—particularly Germany, with its export-dependent economy—and those emphasizing security concerns and values-based policy. The Commission's forceful position attempts to bridge this divide by defending European economic interests while confronting Chinese practices.

Practical options remain complex. The EU can impose countervailing duties on subsidized Chinese goods, restrict market access for specific sectors, or employ new economic security tools allowing investment screening and export controls. Each measure risks Chinese counter-retaliation, potentially triggering a trade conflict neither side desires but both might struggle to control.

Historical precedents offer mixed lessons. Europe's trade disputes with the United States—over steel tariffs, aircraft subsidies, and digital services taxes—eventually reached negotiated settlements, though often after years of escalation. But China operates under different constraints: state control of the economy provides tools for retaliation unavailable in market economies, while authoritarian governance faces fewer domestic political costs from trade conflicts.

The broader context involves the global trading system's erosion. The World Trade Organization, designed to mediate such disputes, has suffered paralysis of its appellate body and declining authority. Without effective multilateral mechanisms, trade conflicts increasingly become bilateral confrontations where economic size and political will determine outcomes.

For European industries caught in the crossfire, the Commission's combative stance provides both reassurance and anxiety. Support from Brussels matters—access to legal resources, coordinated policy responses, and political backing. Yet escalation also carries risks: prolonged trade conflict could force painful choices between principles and profits, between values and market access.

The ultimate question is whether Europe possesses the collective will to sustain confrontation if China escalates. Previous episodes saw individual member states breaking ranks to preserve bilateral relationships, undermining EU unity. The "tooth and nail" pledge will face testing if Beijing applies sustained pressure—and China's strategists surely understand that European unity represents the alliance's essential vulnerability.